1. Relating to or characteristic of the culture of computers, information technology, and computer-generated simulations that seem to be real: It is obvious that we are living in a cyber age.

The term cyber is an adjective, or prefix, that is usually added at the beginning of words to show their relationships to electronic communication networks and virtual realities.

2. A very modern prefix or a combining form representing computer technology; including mainframe computers, that can deal with large amounts of information very quickly: There are those who believe that the term cyber is being overused for almost any technology to give it a higher-tech significance; for example, cyberartist, cyberart, cybertalk, cyberfiction, cyberculture, cyber-economy, cyber-activist, cyberpiracy, cybercriminal, cybercinema, and many more words; all of which indicate some form of the use of advanced technology and the internet and, by extension, meaning "very modern", as with cyberfashion.

Using electronic communication to scare or to harm someone; usually, by sending messages of an intimidating (causing fear) or threatening (menacing) nature: Physical and verbal bullying are well-known problems in schools and, now, on the internet where cyberbullyings are considered to be hate-filled attacks on people who are using electronic communications; especially the internet.

Cyberbullying includes e-mail, cell phone, text messages, instant messaging, in blogs, wikis, and social networks; such as, MySpace, YouTube, etc.

Some kinds of cyberbullying involve threats, embarrassing pictures, slanderous remarks, and stories that are either not true or may even be true.

Schools are encouraged to adapt bullying prevention programs that include lessons on cyberbullying to ensure that students understand that targeting classmates through negative messaging or images online or through cellular phones is a form of bullying and will not be tolerated.

Breaking laws, and suggesting that others do the same, in which the participants use information technology to carry out their actions: Cyber-civil disobedience, or the active, professed refusal to obey certain laws, demands, and commands of a government, involves the use of computers and/or the internet which is also known as "hacktivism".